<template>
    <view class="goods-item">
        <!-- 商品左侧区域 -->
        <view class="goods-item-left">
            <radio :checked="goods.goods_state" color="#c00000" v-if="showRadio" @click="radioClickHandler" ></radio>
            <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
        </view>
        <!-- 商品右侧区域 -->
        <view class="goods-item-right">
            <!-- 商品标题 -->
            <view class="goods-name">
                {{goods.goods_name}}
            </view>
            <view class="goods-info-box">
                <!-- 商品价格 -->
                <view class="goods-price">￥{{goods.goods_price | tofixed}}</view>
                <!-- 商品数量 -->
                <uni-number-box :min="1" :value="goods.goods_count" v-if="showNum" @change="numChangeHandler"></uni-number-box>
            </view>
        </view>
    </view>
</template>

<script>
    export default {
        name:"my-goods",
        props:{
            goods:{
                type:Object,
                default:{}
            },
            showRadio :{
                type : Boolean,
                // 如果外界没有指定 show-radio 属性的值，则默认不展示radio组件
                default:false
            },
            showNum: {
                type: Boolean,
                default: false,
            }
        },
        filters:{
          tofixed(num){
              return Number(num).toFixed(2)
          }     
        },
        methods:{
            radioClickHandler(){
                this.$emit('radio-change',{
                    // 商品的id
                    goods_id: this.goods.goods_id,
                    // 商品最新的勾选状态
                    goods_state: !this.goods.goods_state

                })
            },
            numChangeHandler(val){
                    // 通过 this.$emit()触发外界通过@绑定的 num-change 事件
                this.$emit('num-change',{
                    goods_id:this.goods.goods_id,
                    goods_count: +val
                })
            }
        },
        data() {
            return {
                 defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
            };
        },
        onLoad(){
            console.log(this.goods);
        }
    }
</script>

<style lang="scss">
.goods-item{
    display: flex;
    padding: 10px 5px;
    border-bottom: 1px solid #f0f0f0;
    .goods-item-left{
        margin-right: 5px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        .goods-pic{
            width: 100px;
            height: 100px;
            display: block;
        }
    }
    .goods-item-right{
        display: flex;
        flex: 1;
        flex-direction: column;
        justify-content: space-between;
        
        .goods-name{
            font-size: 13px;
        }
        .goods-info-box{
            display: flex;
            align-items: center;
            justify-content: space-between;
            .goods-price{
                color: #c00000;
                font-size: 16px;
            }
        }
    }
}
</style>